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Adding infix operators to compare currency units

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Chris Stewart 2015-12-21 17:57:39 -06:00
parent dabe6396e5
commit 6dd4e6d622
1 changed files with 30 additions and 6 deletions
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36
src/main/scala/org/scalacoin/currency/CurrencyUnits.scala
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@ -4,10 +4,31 @@ import scala.math.BigDecimal.RoundingMode
abstract class CurrencyUnit(val value:Double) { abstract class CurrencyUnit(val value:Double) {
def toStringWithoutCurrencyLabel : String = CurrencyUnits.currencyFormatter(value) def toStringWithoutCurrencyLabel : String = CurrencyUnits.currencyFormatter(value)
def ==(c : CurrencyUnit) = { def ==(c : CurrencyUnit) : Boolean = {
require (c != null, "Currency units cannot be null") /*require (c != null, "Currency units cannot be null")*/
CurrencyUnits.toSatoshis(this).value == CurrencyUnits.toSatoshis(c).value CurrencyUnits.toSatoshis(this).value == CurrencyUnits.toSatoshis(c).value
} }
def >=(c : CurrencyUnit) : Boolean = {
CurrencyUnits.toSatoshis(this).value >= CurrencyUnits.toSatoshis(c).value
}
def >(c : CurrencyUnit) : Boolean = {
CurrencyUnits.toSatoshis(this).value > CurrencyUnits.toSatoshis(c).value
}
def <(c : CurrencyUnit) : Boolean = {
CurrencyUnits.toSatoshis(this).value < CurrencyUnits.toSatoshis(c).value
}
def <=(c : CurrencyUnit) : Boolean = {
/*require (c != null, "Currency units cannot be null")*/
CurrencyUnits.toSatoshis(this).value <= CurrencyUnits.toSatoshis(c).value
}
def !=(c : CurrencyUnit) : Boolean = {
!(this == c)
}
} }
case class Satoshis(override val value: Double) extends CurrencyUnit(value) { case class Satoshis(override val value: Double) extends CurrencyUnit(value) {
@ -29,16 +50,19 @@ case class MilliBitcoins(override val value : Double) extends CurrencyUnit(value
} }
object CurrencyUnits { object CurrencyUnits {
val oneSatoshi = Satoshis(1) def oneSatoshi = Satoshis(1)
val oneMilliBit = Satoshis(100000) def oneMilliBit = Satoshis(100000)
val tenMilliBits = Satoshis(1000000) def tenMilliBits = Satoshis(1000000)
val oneHundredMilliBits = Satoshis(10000000) def oneHundredMilliBits = Satoshis(10000000)
def oneBTC = Bitcoins(1)
/*considering the scalar for a 1 BTC to be 1*/ /*considering the scalar for a 1 BTC to be 1*/
val satoshiScalar = 0.00000001 val satoshiScalar = 0.00000001
val bitsScalar = 0.000001 val bitsScalar = 0.000001
val bitcoinScalar = 1 val bitcoinScalar = 1
val milliBitcoinScalar = 0.001 val milliBitcoinScalar = 0.001
def satoshisToBits(satoshis: Satoshis): Bits = { def satoshisToBits(satoshis: Satoshis): Bits = {
Bits((satoshis.value * satoshiScalar) / bitsScalar) Bits((satoshis.value * satoshiScalar) / bitsScalar)
} }